<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>指定时间跳转</title>
</head>
<body>
<script type="text/javascript">
    function jumurl(){
        window.location.href='http://www.sogou.com';
    }
    setTimeout(jumurl,3000);

</script>
</body>
</html>